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    • 6. 发明公开
    • Suede-finished leather-like sheet and production method thereof
    • Wilddererartiges Kunstleder und Verfahren zu dessen Herstellung
    • EP1445372A1
    • 2004-08-11
    • EP04002800.3
    • 2004-02-09
    • Kuraray Co., Ltd.
    • Yamaguchi, FumihiroYoneda, Hisao
    • D06N3/00
    • B32B5/06B32B5/022B32B5/26B32B2262/0246B32B2262/0261B32B2262/0276B32B2437/02D06N3/0004D06N3/0013Y10T428/2395Y10T442/2369Y10T442/614Y10T442/622Y10T442/637Y10T442/682Y10T442/689
    • The suede-finished leather-like sheet of the present invention comprises a fiber-entangled nonwoven fabric comprising a layer (I) made of a microfine fiber (A) having an average fineness of 0.5 dtex or less and a layer (II) made of a microfine fiber (B) having an average fineness equal to or less than that of the microfine fiber (A), and a polymeric elastomer impregnated in the fiber-entangled nonwoven fabric. The layers (I) and (II) are integrated by entanglement such that a ratio of the microfine fiber (A) to the microfine fiber (B) is 10/90 to 90/10 by mass. The surface of the layer (I) is a napped surface made mainly of a raised microfine fiber (A). The microfine fibers (A) and (B) are respectively formed by converting a microfine fiber-forming fiber (a) and a microfine fiber-forming fiber (b), each having an elongation at break and a tenacity of specific ranges, into microfine fibers. The suede-finished leather-like sheet simultaneously exhibits a soft feel like natural leathers and good mechanical properties, especially good shape stability and tear strength.
    • 本发明的麂皮革皮革片材包括纤维缠结无纺布,其包含由平均细度为0.5dtex以下的微细纤维(A)制成的层(I)和由 具有等于​​或小于微细纤维(A)的平均细度的微细纤维(B)和浸渍在纤维缠结无纺织物中的聚合物弹性体。 层(I)和(II)通过缠结使得超细纤维(A)与超细纤维(B)的比例为10/90〜90/10质量%。 层(I)的表面是主要由升高的超细纤维(A)制成的起绒表面。 微细纤维(A)和(B)分别通过将具有断裂伸长率和特定范围的强度的微细纤维形成性纤维(a)和超细纤维形成性纤维(b) 纤维。 麂皮绒皮革样片材同时呈现柔软的手感,如天然皮革和良好的机械性能,特别是良好的形状稳定性和撕裂强度。